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To make the main Java FX window completely transparent, you only have to set the StageStyle.TRANSPARENT and the Scene#setFill(null):

import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.layout.VBox;
import javafx.scene.text.Font;
import javafx.scene.text.Text;
import javafx.stage.Stage;
import javafx.stage.StageStyle;

public class TransparentStage extends Application {

    @Override
    public void start(Stage stage) {
        stage.initStyle(StageStyle.TRANSPARENT);
        Text text = new Text("Transparent!");
        text.setFont(new Font(40));
        VBox box = new VBox();
        box.getChildren().add(text);
        final Scene scene = new Scene(box,300, 250);
        scene.setFill(null);
        stage.setScene(scene);
        stage.show();
    }

    public static void main(String[] args) {
        launch(args);
    }
}

Checkout the TransparentStage sample (source code).

Posted at 02:31PM Apr 18, 2012 by Adam Bien in RIA / Java FX |  Comments[1]  | Views/Hits: 7499

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